4-40 x 1/4 Slotted Pan Internal Sems Machine Screw Fully Threaded Zinc 16NCUP They are made of steel

They are made of steel and have a Dacrotized coating for corrosion resistance

and it is RoHS compliant for environmental safety

The 00 x 3/16 Round Head Type U Drive Screw Zinc is a small

This 1/4-20 x 3/8 6-Lobe Truss Full Contour Machine Screw is made of 18-8 stainless steel and is fully threaded

4-40 x 1/4 Slotted Pan Internal Sems Machine Screw Fully Threaded Zinc 16NCUP They are made of steelThe 4 40 x 1 4 Slotted Pan Internal Sems Machine Screw Fully Threaded Zinc is a type of screw that is used in a variety of applications. It is made of zinc plated steel and has a slotted pan head. The screw is fully threaded and has a length of 1 4 inch. It is designed to be used with a #4 screw driver. This screw is commonly used in electronics, appliances, and other small devices.